441617081281 has 2 divisors, whose sum is σ = 441617081282. Its totient is φ = 441617081280.

The previous prime is 441617081231. The next prime is 441617081363. The reversal of 441617081281 is 182180716144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 386832997681 + 54784083600 = 621959^2 + 234060^2 .

It is a cyclic number.

It is not a de Polignac number, because 441617081281 - 2⁷ = 441617081153 is a prime.

It is a super-2 number, since 2×441617081281² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (441617081201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220808540640 + 220808540641.

It is an arithmetic number, because the mean of its divisors is an integer number (220808540641).

Almost surely, 2^441617081281 is an apocalyptic number.

It is an amenable number.

441617081281 is a deficient number, since it is larger than the sum of its proper divisors (1).

441617081281 is an equidigital number, since it uses as much as digits as its factorization.

441617081281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 43.

The spelling of 441617081281 in words is "four hundred forty-one billion, six hundred seventeen million, eighty-one thousand, two hundred eighty-one".